/Engine/Source/Editor/BlueprintGraph/Classes/EdGraphSchema_K2.h
Create the local variable that the broken node refers to
static void OnCreateNonExistentLocalVariable ( class [UK2Node_Variable](API\Editor\BlueprintGraph\UK2Node_Variable) * Variable, [UBlueprint](API\Runtime\Engine\Engine\UBlueprint) * OwnerBlueprint )